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vkgs-sim

nuScenes ์‹ฑ๊ฐ€ํฌ๋ฅด ๋งต ๊ธฐ๋ฐ˜ Vulkan 3D Gaussian Splatting closed-loop ์‹œ๋ฎฌ๋ ˆ์ดํ„ฐ

VLM/VLA ์ฃผํ–‰ ๋ชจ๋ธ์„ closed-loop ๋กœ ์‹œํ—˜ํ•˜๊ธฐ ์œ„ํ•œ ์‹œ๋ฎฌ๋ ˆ์ดํ„ฐ๋‹ค. ๋ชจ๋ธ์ด 6-์นด๋ฉ”๋ผ ์ด๋ฏธ์ง€๋ฅผ ๋ณด๊ณ  ์ œ์–ด๋ฅผ ๋‚ด๋ฉด, ๊ทธ ์ œ์–ด๋กœ ์ฐจ๊ฐ€ ์›€์ง์ด๊ณ , ์ƒˆ ์ž์„ธ์—์„œ 6์žฅ์„ ๋‹ค์‹œ ๋ Œ๋”๋งํ•ด ๋Œ๋ ค์ค€๋‹ค. ์›๋ณธ ๋กœ๊ทธ๋ฅผ ์žฌ์ƒํ•˜๋Š” open-loop ํ‰๊ฐ€์™€ ๋‹ฌ๋ฆฌ ๋ชจ๋ธ์˜ ํ–‰๋™์ด ๋‹ค์Œ ๊ด€์ธก์„ ๋ฐ”๊พผ๋‹ค.

   โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”  6 x (1600x900)  โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
   โ”‚  Vulkan 3DGS โ”‚ โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ–บ โ”‚  VLM/VLA  โ”‚
   โ”‚   ๋ Œ๋”๋Ÿฌ     โ”‚                  โ”‚   ๋ชจ๋ธ    โ”‚
   โ”‚              โ”‚ โ—„โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ โ”‚           โ”‚
   โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜   ์กฐํ–ฅ/๊ฐ€์†      โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
          โ”‚
   ego ์ƒํƒœ ์ ๋ถ„ (์ž์ „๊ฑฐ ๋ชจ๋ธ) + ์‹ฑ๊ฐ€ํฌ๋ฅด ์ฐจ์„  ๊ทธ๋ž˜ํ”„ ์ œ์•ฝ

ํ˜„์žฌ ์ƒํƒœ

๋‹จ๊ณ„ ๋‚ด์šฉ ์ƒํƒœ
0 ๋กœ์ปฌ ๊ฐœ๋ฐœ ํ™˜๊ฒฝ (CUDA + Vulkan + PyTorch, micromamba) ์™„๋ฃŒ
0 nuScenes ๋ฐ์ดํ„ฐ ๊ณ„์ธต (์”ฌ ์ธ๋ฑ์Šค, ์นด๋ฉ”๋ผ ๋ฆฌ๊ทธ) ์™„๋ฃŒยท๊ฒ€์ฆ๋จ
1 3DGS ์žฌ๊ตฌ์„ฑ (LiDAR ์ดˆ๊ธฐํ™” โ†’ gsplat ํ•™์Šต) ์ฃผ๊ฐ„ ๊ธฐ์ค€์„  ํ†ต๊ณผ โ€” scene-0003 ์ •์  PSNR 25.62 dB. ์•ผ๊ฐ„+์šฐ์ฒœ์€ ๋ฏธํ•ด๊ฒฐ
2 Vulkan ๋ Œ๋”๋Ÿฌ (๋นŒ๋ณด๋“œ โ†’ ์ปดํ“จํŠธ ํƒ€์ผ) ๋นŒ๋ณด๋“œ ๊ฒฝ๋กœ ์™„๋ฃŒ โ€” gsplat ๊ณผ PSNR 56 dB ์ผ์น˜, ๋งต ์˜ค๋ฒ„๋ ˆ์ด ๋ทฐ์–ด
3 closed-loop ํ™˜๊ฒฝ + VLA ๋ธŒ๋ฆฌ์ง€ ๋ฏธ์ฐฉ์ˆ˜

์ž์„ธํ•œ ๊ณ„ํš์€ docs/roadmap.md, ์„ค๊ณ„ ๊ทผ๊ฑฐ๋Š” docs/architecture.md ๋ฅผ ๋ณด๋ผ.

๋น ๋ฅธ ์‹œ์ž‘

Docker ์—†์ด ๋กœ์ปฌ์—์„œ ๊ฐœ๋ฐœํ•œ๋‹ค. sudo ๋ถˆํ•„์š” โ€” ์ „๋ถ€ $HOME ์•„๋ž˜(micromamba)์— ์„ค์น˜๋œ๋‹ค. ์Šคํƒ์€ docker/Dockerfile ๊ณผ ๊ฐ™๋‹ค: CUDA 12.1 / PyTorch 2.4.1 / gsplat 1.4.0 / Vulkan.

# 1. ํ™˜๊ฒฝ ๊ตฌ์ถ• (์ตœ์ดˆ 1ํšŒ, ์žฌ์‹คํ–‰ ์•ˆ์ „)
bash scripts/local_setup.sh

# 2. ๋งค ์…ธ๋งˆ๋‹ค ํ™œ์„ฑํ™”
source scripts/local_env.sh

ํ™œ์„ฑํ™”๋œ ์…ธ์—์„œ:

vkgs-doctor                     # CUDA / Vulkan / ๋ฐ์ดํ„ฐ์…‹ / ์ธ๋ฑ์Šค ํ•œ ๋ฒˆ์— ์ ๊ฒ€
nusim index build               # ์”ฌ ์ธ๋ฑ์Šค ์ƒ์„ฑ (์•ฝ 40์ดˆ, ์ตœ์ดˆ 1ํšŒ)
nusim index list --grep rain    # ์•ผ๊ฐ„ยท์šฐ์ฒœ ์”ฌ ์ฐพ๊ธฐ
nusim scene show scene-0003     # ์”ฌ ํ•˜๋‚˜์˜ ์นด๋ฉ”๋ผ ๊ตฌ์„ฑ ํ™•์ธ
pytest tests/

cmake -S src/vkgs -B build -GNinja && cmake --build build
./build/vkgs_probe              # Vulkan ๊ฒฝ๋กœ ๋๊นŒ์ง€ ๊ฒ€์ฆ
Docker ๋กœ ๋Œ๋ฆฌ๊ณ  ์‹ถ๋‹ค๋ฉด (์„ ํƒ)
bash scripts/host_install_docker.sh   # sudo ํ•„์š”
bash scripts/build.sh && bash scripts/run.sh && bash scripts/shell.sh

๋ฐ์ดํ„ฐ

nuScenes v1.0-trainval ์ „์ฒด๊ฐ€ NAS ์— ์žˆ๊ณ , ์ฝ๊ธฐ ์ „์šฉ์œผ๋กœ ๋งˆ์šดํŠธ๋œ๋‹ค.

/home/mm/nas2/nuscenes_original_junhan/nuscenes/original/full   (ํ˜ธ์ŠคํŠธ)
                          โ†“ :ro
/data/nuscenes                                                  (์ปจํ…Œ์ด๋„ˆ)

์‹ฑ๊ฐ€ํฌ๋ฅด ์”ฌ๋งŒ ๋‹ค๋ฃฌ๋‹ค (boston-seaport 467๊ฐœ๋Š” ๋ฒ”์œ„ ๋ฐ–):

๋งต ์”ฌ ์„ฑ๊ฒฉ
singapore-onenorth 183 ์—…๋ฌด์ง€๊ตฌยท์—ฐ๊ตฌ๋‹จ์ง€
singapore-queenstown 115 ์ฃผ๊ฑฐ์ง€ยท์ฃผ์ฐจ์žฅ
singapore-hollandvillage 85 ์•ผ๊ฐ„ยท์šฐ์ฒœ์ด ๋ชฐ๋ ค ์žˆ์Œ
ํ•ฉ๊ณ„ 383 ์ด๋ฏธ์ง€ 532,157์žฅ (6์บ  ร— ์•ฝ 12 Hz ร— 20์ดˆ)

์”ฌ ์ธ๋ฑ์Šค

nuscenes-devkit ์˜ NuScenes() ๋Š” ๋ชจ๋“  ํ…Œ์ด๋ธ”์„ ๋ฉ”๋ชจ๋ฆฌ์— ์˜ฌ๋ฆฐ๋‹ค โ€” trainval ๊ธฐ์ค€ 2~3๋ถ„์— 10 GB ์ด์ƒ์ด๋‹ค. ์žฌ๊ตฌ์„ฑยท์‹œ๋ฎฌ๋ ˆ์ด์…˜ ๋ฃจํ”„๊ฐ€ ๋งค๋ฒˆ ๋‚ผ ๋น„์šฉ์ด ์•„๋‹ˆ๊ณ , ์›๋ณธ์ด NFS ์œ„์— ์žˆ์–ด ๋ฐ˜๋ณต ์ ‘๊ทผ์€ ํŠนํžˆ ๋น„์‹ธ๋‹ค.

๊ทธ๋ž˜์„œ ์›๋ณธ ํ…Œ์ด๋ธ”์„ ๋”ฑ ํ•œ ๋ฒˆ ์ŠคํŠธ๋ฆฌ๋ฐ์œผ๋กœ ํ›‘์–ด ์”ฌ๋ณ„๋กœ ์ž˜๋ผ ์บ์‹œ์— ๊ตณํžŒ๋‹ค.

nusim index build
  โ†’ cache/scene_index/catalog.json          ์นดํƒˆ๋กœ๊ทธ
  โ†’ cache/scene_index/scene-XXXX.json.gz    ์”ฌ๋ณ„ (6์บ  ํ”„๋ ˆ์ž„ + ego ํฌ์ฆˆ + ์บ˜๋ฆฌ๋ธŒ)

์‹ค์ธก (RTX 3060 Ti ๋จธ์‹ , NFS):

๋นŒ๋“œ ์‹œ๊ฐ„ 35.8์ดˆ (sample_data.json 1.35 GB + ego_pose.json 645 MB ํฌํ•จ)
ํ”ผํฌ ๋ฉ”๋ชจ๋ฆฌ 0.51 GB
์ธ๋ฑ์Šค ํฌ๊ธฐ 35 MB (383์”ฌ ์ „์ฒด)
์”ฌ 1๊ฐœ ๋กœ๋“œ 7 ms

์ŠคํŠธ๋ฆฌ๋ฐ ํŒŒ์„œ(nusim.io.jsonstream)๊ฐ€ ์ด๊ฑธ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•œ๋‹ค โ€” 263๋งŒ ํ–‰์งœ๋ฆฌ sample_data.json ์„ ์ˆœํšŒํ•˜๋Š” ๋ฐ ํ”ผํฌ RSS 30 MB ๋‹ค.

์ €์žฅ์†Œ ๊ตฌ์กฐ

docker/           Dockerfile, requirements, entrypoint
scripts/          ํ˜ธ์ŠคํŠธ ์„ค์น˜ + ์ปจํ…Œ์ด๋„ˆ ๋นŒ๋“œ/๊ธฐ๋™/์ง„์ž…
config/           paths.yaml โ€” ๋ฐ์ดํ„ฐ์…‹ ๊ฒฝ๋กœ
src/nusim/        ํŒŒ์ด์ฌ: ๋ฐ์ดํ„ฐ ยท ์žฌ๊ตฌ์„ฑ ยท ๋งต ยท ์‹œ๋ฎฌ ๋ฃจํ”„
src/vkgs/         C++/Vulkan: 3DGS ๋ Œ๋”๋Ÿฌ (ํ˜„์žฌ๋Š” ํ”„๋กœ๋ธŒ๋งŒ)
tests/            pytest
cache/            ํŒŒ์ƒ๋ฌผ (์”ฌ ์ธ๋ฑ์Šค). git ์— ๋„ฃ์ง€ ์•Š๋Š”๋‹ค
outputs/          ๋ Œ๋” ๊ฒฐ๊ณผ, ์ฒดํฌํฌ์ธํŠธ. git ์— ๋„ฃ์ง€ ์•Š๋Š”๋‹ค

ํ•˜๋“œ์›จ์–ด ์ œ์•ฝ

RTX 3060 Ti 8 GB ๊ฐ€ ์ด ํ”„๋กœ์ ํŠธ์˜ ๊ฐ€์žฅ ๊ฐ•ํ•œ ์ œ์•ฝ์ด๋‹ค.

  • ๊ฐ€์šฐ์‹œ์•ˆ 1๊ฐœ = fp32 ๊ธฐ์ค€ ์•ฝ 236 B (์œ„์น˜ 12 + ์Šค์ผ€์ผ 12 + ํšŒ์ „ 16 + ๋ถˆํˆฌ๋ช…๋„ 4 + SH 192). ๋ Œ๋”๋ง ์ „์šฉ์œผ๋กœ ์“ฐ๋ฉด 8 GB ์— ์•ฝ 2,000๋งŒ ๊ฐœ๊ฐ€ ์ƒํ•œ์ด๋‹ค.
  • ํ•™์Šต ์€ gradientยทAdam ์ƒํƒœยทํ™œ์„ฑํ™”๊ฐ€ ๋” ๋ถ™์–ด ์‹ค์งˆ ์ƒํ•œ์ด ํ›จ์”ฌ ๋‚ฎ๋‹ค. ์”ฌ๋‹น 100๋งŒ~200๋งŒ ๊ฐœ, ์ด๋ฏธ์ง€ ๋‹ค์šด์Šค์ผ€์ผ 2๋ฐฐ๋ฅผ ๊ธฐ์ค€์„ ์œผ๋กœ ์žก๋Š”๋‹ค.
  • 6๊ฐœ ์นด๋ฉ”๋ผ๋ฅผ ๋™์‹œ์— 1600ร—900 ์œผ๋กœ ๋ Œ๋”๋งํ•˜๋ฉด ํ”„๋ ˆ์ž„๋‹น 8.6 Mpixel ์ด๋‹ค. ์‹ค์‹œ๊ฐ„(10 Hz)์„ ๋…ธ๋ฆฌ๋ ค๋ฉด ํƒ€์ผ ๋ž˜์Šคํ„ฐ๋ผ์ด์ €๊ฐ€ ํ•„์ˆ˜๊ณ , ๋นŒ๋ณด๋“œ ๋ฐฉ์‹์œผ๋กœ๋Š” ์–ด๋ ต๋‹ค.

์ด ์ˆ˜์น˜๋Š” vkgs_probe ๊ฐ€ ์‹ค์ œ ์žฅ์น˜์—์„œ ๋‹ค์‹œ ํ™•์ธํ•ด ์ค€๋‹ค.

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